密度在流动中有明显变化时称为（）。

患者男性，19岁，因“蚊帐着火致多处火焰烧伤”来诊。患者面、颈、四肢、胸部、背部等多处烧伤，烧伤面积为总体表面积的68%，Ⅱ～Ⅲ度火焰烧伤，吸入性损伤。入院后积极行抗休克治疗，气管切开。

提示：烧伤后8个月，患者复诊时颈部出现严重的颏颈粘连，后仰受限，口唇不能闭合。可能的原因是（）

A.颈部均为深度烧伤

B.烧伤治疗早期未注意保持颈部后仰位

C.未进行有效功能锻炼

D.颈部创面未得到正确处理

E.创面愈合后未进行抗挛缩位固定

F.创面愈合后未进行有效的防瘢痕治疗

Wedding Crashers is a comedy that had once taken the top at North American box office in 2005. Considering the waterloos many (36) films have experienced, I suppose it is a fairly astonishing and (37) achievement in the competitive and unpredictable market. The storyline is not (38) :Wilson and Vaughn are lawyers successful in divorce settlements, and they like to (39) in the wedding crashing games. In tons of wedding parties, they sing, dance, and eat, but these are not their (40) motives. They are only to end up the day with some pretty female attendee to get into bed. Repeated (41) lead to unpleasant appetites. At the end of the marriage season, they (42) a power wedding, the bride of which is the daughter of the U. S. Secretary of the Treasury. There Wilson falls in love with Claire, sister of the bride. After the wedding, Wilson is invited to the Secretary’s house. However, his lies are discovered and consequently he is (43) out. Despite all these, the loving flame in Wilson’s heart doesn’t seem to crush out. Having accumulated every nerve he can get, (44) . Giving way to the Hollywood romantic comedy rule, this film ends up with a happy come-off. Frankly speaking, this film is not as funny as I thought. (45) . Anyhow, the huge box office success just proved to the whole world that Americans love this film a lot. (46)

星级饭店软垫的规格长不小于2000毫米，宽不小于（）毫米，基本品质要求平整，弹性适宜，无污损。

A、1000

B、1100

C、1200

D、1300

关于关联账户新增功能描述正确的为（）

A、此功能是根据客户的需求设定关联账户；并可对建行的关联账户约定由收款方付费。

B、结算通卡可根据客户的需求设定关联账户，关联账户总量没有限制，但一次最多设置20个关联账户。C、关联账户只能是建行活期账户、银行卡、理财卡，不包括定期和贷记卡。

D、将对方设定为关联账户，不影响对方付费标准。

管子的槽型参考标准应把槽加工在（）。

A、内外表面

B、只在内表面

C、只在外表面

D、从内表面到壁厚的1/2深度